104.9% is the change from 245 to 502
Calculation steps:
[( 502 - 245 ) ÷ 245] x 100 = 104.9%
Formula
Percentage change = [(502 - 245) / 245] x 100
Subtract the new number by the original number
502 - 245 = 257
257 ÷ 245 = 1.0489795918367346
1.0489795918367346 x 100 = 104.9%